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REDMI 8/8A CHARGING Board
The charging board (also known as the sub-board or charging dock PCB) is a critical component for the Redmi 8 and 8A. Since these two models share a very similar internal architecture, their charging boards are often interchangeable, though it is always best to verify the specific part number for your region.
Below is the full product description organized for clarity.
Product Overview: Redmi 8 / 8A Charging Port Board
| Feature | Specification / Details |
| Compatible Models | Xiaomi Redmi 8 (M1908C3IC, M1908C3IG, M1908C3IH) / Redmi 8A (M1908C3KG, M1908C3KH, M1908C3KI) |
| Interface Type | USB Type-C 2.0 |
| Material | High-grade PCB (Printed Circuit Board) with gold-plated connectors |
| Functions Included | Battery Charging, Data Syncing, Primary Microphone, and Antenna Signal Passthrough |
| Audio Support | 3.5mm Headphone Jack (Integrated on the board) |
| Fast Charging Support | Supports up to 18W Fast Charging (standard for the series) |
| Installation Type | Plug-and-Play (Soldering not required for the whole board) |
Technical Components Breakdown
This board isn't just a socket; it acts as the communication hub for the bottom half of your device.
| Component | Description |
| USB Type-C Port | Reversible connector for charging and OTG (On-The-Go) data transfer. |
| Microphone (MIC) | The primary bottom microphone responsible for voice calls and voice recording. |
| Audio Jack | High-fidelity 3.5mm port for wired headphones and AUX output. |
| Antenna Point | Gold-plated contact points that connect to the phone's frame to ensure cellular and Wi-Fi signal strength. |
| Main Flex Connector | The multi-pin interface that connects this sub-board to the main motherboard via the long ribbon cable |
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| Weight |
0.007 |
|---|
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